retrieve the path of any module within an npm monorepo

I am working on a project using an NPM monorepo structure which utilizes ECMAScript Modules (ESM):

<root>
|_package.json
|_node_modules/
| |_luxon (1.28.0)
|_packages/
  |_pack1
  | |_node_modules/
  | | |_luxon (3.0.1)
  | |_main.js
  |_pack2
    |_node_modules/
    |_main.js

Currently, I am looking for a solution to retrieve the module path from any of my main.js files:

For example, with two versions of luxon installed (in root and pack1), when running main.js from pack1, here is what I want to achieve:

const luxonPath = (???)("luxon");
// luxonPath should be <root>/packages/pack1/node_modules/luxon

And if running it from pack2:

const luxonPath = (???)("luxon"); 
// luxonPath should be <root>/node_modules/luxon
javascriptnpmmonorepo

Answer №1

My suggestion would be to utilize the require.resolve() method.

var luxonPath = require.resolve('luxon');

console.log("The path to Luxon is" + luxonPath);

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